If you can give me the numbers on the chip, I can look it up to see exactly how it was set up. You'll have to pull the chip out, or give me the original invoice number.
For now, you can reduce WOT timing using the parameters, which will also reduce timing in that 10psi range.
To change parameters using powerlogger, make sure you have the key on, engine off, in monitor mode. If the powerlogger is older, you might need to reflash and update software.